now, another provision in that law is that the f.d.a. set up a task force looking at other possible solutions to the drug shortage crisis, and they're required to submit that report to congress by this coming july. >> axelrod: dr. jon lapook, thank you. china now has the longest high- speed train line in the world. it runs 1,400 miles from beijing to the city of guangjo, about the distance from new york to miami. the chinese train can make the trip in eight hours. it would take amtrak 30 hours. in los angeles, people lined up to turn in their guns. find out why when we come back. ♪ aww man. [ male announcer ] returns are easy with free pickup from the u.s. postal service. we'll even drop off boxes if you need them. visit usps.com pay, print, and have it picked up for free. any time of year. ♪ nice sweater. thank you. ♪ thank you. >> axelrod: today, los angeles responded to the newtown tragedy by starting their gun buyback sooner. they needed two sprawling sites including a sports arena. >> they're hunting rifles. >> reporter: angel